SanDisk Extreme microSDXC UHS-I Card — 256GB — U3/V30/A2 microSDXC Card with Adapter
Free US shipping through Dec 31, 2026
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90-day worry-free returns · Free return shipping · Refund at the first carrier scan
Free US shipping through Dec 31, 2026 · 90-day worry-free returns — free return label, no restocking fee · Refund released at your return’s first carrier scan · Arrives damaged or defective? We make it right — Returns, Made Simple
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This is the 256GB Extreme microSDXC in the with-adapter pack: up to 190MB/s reads with QuickFlow technology, up to 130MB/s writes, and U3/V30/A2 ratings that cover 4K and 5K UHD video, fast action photography, and responsive Android app storage. Drones, action cams, phones, and gaming handhelds all get the same benefit — media that records without dropped frames and offloads without the wait. Shock, temperature, water, and x-ray proof, with a lifetime limited warranty.
Search fits for this exact card: "best microSD for GoPro," "microSD card for drone 4K," "Steam Deck microSD," and "fast microSD for Android." The verified edge of the Extreme line is write performance — up to 130MB/s at this capacity — which is what sustains 4K and 5K UHD recording and burst capture on action cameras and drones without dropped frames, plus an A2 rating for app performance on phones and tablets. Offload speed is the other half: up to 190MB/s reads via SanDisk QuickFlow technology (peak requires a compatible reader). The card is shock-proof, temperature-proof, waterproof, and x-ray-proof, includes an SD adapter in this pack, and carries a lifetime limited warranty. GN6MA and AN6MA are packaging variants of the same card; family, capacity, and speed class match exactly.
Specs: 256GB | microSDXC UHS-I U3/V30/A2 | Read up to 190MB/s, Write up to 130MB/s | Part # SDSQXAV-256G-GN6MA
Free US shipping, a 90-day return window, and your refund released at the first scan.
• Free standard US shipping on every order through December 31, 2026 — no code needed
• Orders processed in 1–3 business days; standard delivery in 5–7 business days (expedited 2–4 and express 1–2 when available)
• 90-day worry-free returns — free prepaid return label, no restocking fee, ever
• When your return’s prepaid label gets its first carrier scan, we release your refund to your original payment method — you don’t wait for the package to reach us
• Arrives damaged, defective, or wrong? We cover the return shipping and make it right — replacement, exchange, or refund
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90-day worry-free returns · Free return shipping · Refund at the first carrier scan
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